If we are to understand the evolution of writing, we should focus more

If we are to understand the evolution of writing, we should focus more on the writings from the Maya Civilization rather than on the writings from the Egyptian Civilization. While both civilizations provide ample evidence of a variety of writing scripts, understanding the Maya Civilization’s writings will throw more light on the evolution of writing itself.

Which one of the following, if true, would most help to explain the author’s preference towards studying the Maya Civilization writings?

A) Less expertise would be required to understand and interpret the Maya Civilization writings.
B) The Maya Civilization was a standalone civilization while the Egyptian Civilization had some connection with other civilizations such as the Indus Valley Civilization.
C) Information gained while studying the Maya Civilization will be helpful in understanding the evolution of writing.
D) The Maya Civilization writing is letter-based or alphabet-based which is close to the way most languages are written today, while the Egyptian Civilization writing is picture-based.
E) The Maya Civilization had developed advanced spoken language when they began writing scripts, but the Egyptian Civilization’s spoken language at the time the Egyptians began writing scripts was only primitively developed